3.7V; Long-lasting; 800mAh; Li-Ion; Rechargeable; Replacement battery for Doro PhoneEasy(R) 409 cell phone & other comparable Doro PhoneEasy(R) models; Compatible with DoroPhoneEasy(R) 409, DoroPhoneEasy(R) 409gsm, DoroPhoneEasy(R) 410, DoroPhoneEasy(R) 410gsm, DoroPhoneEasy(R) 605, DoroPhoneEasy(R) 605gsm, DoroPhoneEasy(R) 610, DoroPhoneEasy(R) 610gsm & Doro - SHELLO1A;